Lust: the belt-driven Devon Tread watch. Weird how much human energy has gone into creation of timepieces for the wrist. At this point everyone gets time from their phone, but watches live on as elegant jewelry, and in some cases, sculpture.

Pretty cool: a Dubai "hyperlapse". Wow, what a place. Kind of like an experiment, what would happen if you dumped billions of dollars in the middle of the desert.

Slingshots in space? A helpful video from the International Space Station, featuring demos. Of course for every reaction, there is an equal and opposite reaction...